Flag

bandeira

(piece of cloth or often its representation)

flag

(true-or-false variable)

flag

(computer science: notation for optional behaviour)

abandeirar

(to furnish with flags)

embandeirar

(to furnish with flags)

enfraquecer

(weaken)

marcar

(to note, mark or point out for attention)

marcar com bandeira (uma)

(to mark with a flag)

sinalizar

(to signal to)